A filter housing having radial sealing means is disclosed herein. Upper bosses and lower bosses can be used to attach the head to the sump for easy opening and closing the filter housing when replacing the filter cartridge. The filter housing of the present invention provides simplified filter cartridge changes to minimize process downtime and without recourse to tools. The filter housing contains fluid flow directing mean to facilitate filter cartridge replacement and safety means to prevent removal of the sump when fluid is passing through the sump.